1//===-- XCoreTargetMachine.cpp - Define TargetMachine for XCore -----------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10//
11//===----------------------------------------------------------------------===//
12
13#include "XCoreTargetMachine.h"
14#include "XCore.h"
15#include "llvm/CodeGen/Passes.h"
16#include "llvm/IR/Module.h"
17#include "llvm/PassManager.h"
18#include "llvm/Support/TargetRegistry.h"
19using namespace llvm;
20
21/// XCoreTargetMachine ctor - Create an ILP32 architecture model
22///
23XCoreTargetMachine::XCoreTargetMachine(const Target &T, StringRef TT,
24                                       StringRef CPU, StringRef FS,
25                                       const TargetOptions &Options,
26                                       Reloc::Model RM, CodeModel::Model CM,
27                                       CodeGenOpt::Level OL)
28    : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
29      Subtarget(TT, CPU, FS, *this) {
30  initAsmInfo();
31}
32
33namespace {
34/// XCore Code Generator Pass Configuration Options.
35class XCorePassConfig : public TargetPassConfig {
36public:
37  XCorePassConfig(XCoreTargetMachine *TM, PassManagerBase &PM)
38    : TargetPassConfig(TM, PM) {}
39
40  XCoreTargetMachine &getXCoreTargetMachine() const {
41    return getTM<XCoreTargetMachine>();
42  }
43
44  bool addPreISel() override;
45  bool addInstSelector() override;
46  bool addPreEmitPass() override;
47};
48} // namespace
49
50TargetPassConfig *XCoreTargetMachine::createPassConfig(PassManagerBase &PM) {
51  return new XCorePassConfig(this, PM);
52}
53
54bool XCorePassConfig::addPreISel() {
55  addPass(createXCoreLowerThreadLocalPass());
56  return false;
57}
58
59bool XCorePassConfig::addInstSelector() {
60  addPass(createXCoreISelDag(getXCoreTargetMachine(), getOptLevel()));
61  return false;
62}
63
64bool XCorePassConfig::addPreEmitPass() {
65  addPass(createXCoreFrameToArgsOffsetEliminationPass());
66  return false;
67}
68
69// Force static initialization.
70extern "C" void LLVMInitializeXCoreTarget() {
71  RegisterTargetMachine<XCoreTargetMachine> X(TheXCoreTarget);
72}
73
74void XCoreTargetMachine::addAnalysisPasses(PassManagerBase &PM) {
75  // Add first the target-independent BasicTTI pass, then our XCore pass. This
76  // allows the XCore pass to delegate to the target independent layer when
77  // appropriate.
78  PM.add(createBasicTargetTransformInfoPass(this));
79  PM.add(createXCoreTargetTransformInfoPass(this));
80}
81